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Anaphy > Skeletal System > Flashcards

Skeletal System Flashcards

1
Q

How many bones does an average adult have?

A

206 bones

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2
Q

has 80 total bones, composed of the skull, auditory ossicles, in the ear, hyoid bone, vertebral column and rib cage

A

Axial Skeleton

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3
Q

consists of the pectoral girdle and the upper limb bones and has a total of 126 bones

A

Appendicular Skeleton

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4
Q

has 8 cranial vault and 14 bones in the face that sums up to 22 bones

A

Skull

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5
Q

what consist of 2 parietal bones, 2 temporal bones, Occipital bone, Sphenoid bone, Ethmoid Bone, Frontal Bone

A

8 Cranial bones in the skull

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6
Q

is when the parietal bones and occipital bone join together

A

Lambdoid structure

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7
Q

is the union between temporal, parietal and the occipital bone

A

Squamous suture

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8
Q

found in the frontal, ethmoid bones, maxillary-largest, sphenoid

A

Paranal Sinuses (FEMS)

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9
Q

major entry and exit points for blood vessels that supply the brain

A

foramen magnum

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10
Q

(shaped like a hammer), (shaped like an anvil), (shaped like a stirrup, smallest bone in the body)

A

Malleus, Incus, Staples

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11
Q

is an unpaired, U-shaped bone not part of the skull but attached to the skull

A

Hyoid bone

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12
Q

supports the weight of the head and trunk, protects spinal cord, provides a site for muscle attachment

A

Vertebral Column

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13
Q

has 26 bones 7 cervical, 5 lumbar, 12 thoracic, 1 sacral, 1 coccygeal

A

Vertebral Column

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14
Q

made up of your sternum and 12 ribs, 12 thoracic vertebrae

A

Rib cage

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15
Q

protects the heart and lungs within the thorax and forms a semighrid

A

Thoracic cage

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16
Q

“sword shape”, breastbone

A

Sternum

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17
Q

“sword handle” (handle)

A

Manubrium

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18
Q

“Blade” (body)

A

Gladiolus

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19
Q

“sword tip”

A

Xiphoid process

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20
Q

superior margin of the manubrium

A

jugular notch

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21
Q

consists of two pairs of bones that attach the upper limb into the body

A

Pectoral Girdle

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22
Q

composed of 8 carpal bones, short region between the forearm and the hand

A

wrist

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23
Q

scaphoid lunate, triquetrum, pisiform

A

proximal row

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24
Q

hamate, capitate, trapezoid, trapezium

A

distal row

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25
Q

support the body and are essential for standing, walking and running

A

lower limb

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26
Q

a ring of bone consisting of right and left hipbones and sacrum

A

pelvic girdle

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27
Q

what bone consist of three bones which are Ilium, Ischium, Pubis

A

Hip bone

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28
Q

superior portion of the ilium

A

Iliac crest

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29
Q

part of the lower limb between the knee and the ankle

A

leg

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30
Q

larger bone and supports 90% of the weight

A

Tibia

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31
Q

bone that only supports 10% of the weight

A

Fibula

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32
Q

has a total of 26 bones, 7 tarsal bones, 5 metatarsal and 14 phalanges

A

Foot

33
Q

when bones connect or join together

A

joints

34
Q

these are seams found only between the bones of the skull

A

fibrous joints

35
Q

slightly moveable type of fibrous joint

A

syndesmosis

36
Q

specialized joints consisting of pegs that fit into sockets

A

fibrous joints

37
Q

joints that are united by means of cartilage such as hyaline or fibrocartilage

A

Cartilaginous Joints

38
Q

contain synovial fluid, allow considerable movement between articulating bones

A

Synovial Joints

39
Q

-occurring around one-axis
-occurring around two-axis
-occurring around any axis

A

Uniaxial
Biaxial
Multiaxial

40
Q

“gliding joint”

A

plane joint

41
Q

consists of two saddled-shape articulating surfaces oriented at right angles to each other so that their complementary surfaces articulate

A

saddle joint

42
Q

Uniaxial joint in which a convex cylinder in one bone is applied to a corresponding bone

A

hinge joint

43
Q

joint that restricts movement to rotation around a single axis

A

pivot joint

44
Q

consists of a ball (head) at the end of one bone

A

ball and socket joint

45
Q

a modified ball-and-socket joint, articular surfaces are ellipsoid in shape

A

ellipsoid joint

46
Q

connective tissue of the joint becomes less flexible and the rigidity increases the rate of wear the articulating joint

A

aging on the joints

47
Q

decreases the angle of a joint

A

Flexion

48
Q

increases the angle of a joint

A

extension

49
Q

the foot is moving upwards

A

dorsiflexion

50
Q

the foot is moving downwards

A

plantar flexion

51
Q

away from the median plane

A

abduction

52
Q

towards the median plane

A

adduction

53
Q

medial and lateral rotations

A

rotations

54
Q

forearm faces down supination

A

pronation

55
Q

circular movement of the shoulder combination

A

circumduction

56
Q

closing the mouth

A

elevation

57
Q

opening the mouth

A

depression

58
Q

sticking the chin out

A

protraction

59
Q

pulling the lower jaw backward

A

retraction

60
Q

side to side of the mandible

A

excursion

61
Q

opposition and reposition

A

thumb

62
Q

what bone consist of these:
-humerus -radius -ulna -Clavicle -Metacarpals -Femur -Tibia -Fibula

A

long bone

63
Q

what bone consist of these:
-Carpal bones which are scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, hamate
-Tarsal bones which are calcaneus, talus, navicular, cuboid, medial cuneiform, intermediate cuneiform, lateral cuneiform

A

short bone

64
Q

what type of bone are in the cranial cavity, ribs, scapula, sternum

A

Flat bone

65
Q

Vertebra Facial Bones

A

Irregular bone

66
Q

formation that occurs within connective tissue membranes

A

Intramembranous Ossification

67
Q

type of bone formation that forms primarily in the bones of the skull

A

Intramembranous Ossification

68
Q

osteoblasts line up on the surface of connective tissue fibers and begin depositing bone matrix to form trabeculae

A

Intramembranous Ossification

69
Q

formation of bones of the skull, mandible, and clavicle

A

Intramembranous Ossification

70
Q

formation that occurs inside hyaline cartilage

A

Endochondral Ossification

71
Q

forms mostly in the remaining skeletal system

A

Endochondral Ossification

72
Q

Chondrocytes increase in number –> cartilage model to increase in size –> cartilage matrix to become calcified –> osteoblasts start forming bone

A

Endochondral Ossification

73
Q

Primary Ossification formation

A

Diaphysis

74
Q

Secondary Ossification formation

A

Epiphysis

75
Q

formation of bones in the upper limb, bones of the lower limb, pelvis and the vertebra

A

Endochondral Ossification

76
Q

List the bones in the skull and how many are there:
-Cranial
-Facial bones

A

Cranial there are a total of 8:
-2 parietal bones
-2 temporal bones
-1 frontal bone
-1 sphenoid bone
-1 ethmoid bone
-1 Occipital bone

Facial bones have a total of 14:
-2 Zygomatic bones
-2 Maxilla bones
-2 Palatine bones
-2 Lacrimal bones
-2 Nasal bones
-2 Inferior Nasal Conchae
-1 Mandible
-1 Vomer

77
Q

List the Auditory Ossicles and how many are there

A

There are three bones
-Malleus
-incus
-Stapes

78
Q

List the rib cage bones and how many are there

A

Rib cage has a total of 25 bones:
-1 sternum = breastbone
-Ribs have 12 in pairs so 24

79
Q
A

Anaphy (4 decks)

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